Mathematics
Medium
Question
One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill tank in 36 min, then the slower pipe alone will be able to fill the tank in?
A
81 min
B
108 min
C
144 min
✓ Official correct answer
D
192 min
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
81 min
No member explanations yet for this option.
B
108 min
No member explanations yet for this option.
C
144 min
No member explanations yet for this option.
D
192 min
No member explanations yet for this option.